Coffin Tiles
problem — every listed problem · all sets
- internal id
- p-21772281
- appearances
- scusa-2011 (scusa-2011) — 5
- held
- not recorded yet
- solve online
- Baekjoon Online Judge (wayback) closed 2026-04-28 id 4509
- data
- problemsets/scusa-2011.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.